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LG Optimus black P970 USB Bricked

Please can someone help me, I have an LG P970 but the USB port seems to be bricked. The phone charges when connected to the computer but nothing else. When connecting the phone to the computer, the computer does not see the phone and the phone does not come up with any usb connection mode.
For this reason I rooted my phone and updated it to the latest version of Zeus rom, but this didn't fix the problem. The phone still just charges on the computer but that's all it does.
I think the phone USB drivers are faulty or need resetting. Is there any software APK I can download to fix my phone.
Thanks for any help.

Tokool said:
Please can someone help me, I have an LG P970 but the USB port seems to be bricked. The phone charges when connected to the computer but nothing else. When connecting the phone to the computer, the computer does not see the phone and the phone does not come up with any usb connection mode.
For this reason I rooted my phone and updated it to the latest version of Zeus rom, but this didn't fix the problem. The phone still just charges on the computer but that's all it does.
I think the phone USB drivers are faulty or need resetting. Is there any software APK I can download to fix my phone.
Thanks for any help.
Click to expand...
Click to collapse
Reinstall LG USB drivers.You can try to connect your phone to PC from CWM -> go to mount and storage -> mount usb storage

DaemonOnx said:
Reinstall LG USB drivers.You can try to connect your phone to PC from CWM -> go to mount and storage -> mount usb storage
Click to expand...
Click to collapse
Okay I go into CWM recovery >> mounts and storage >> mount usb storage >>unmount
then I reboot the phone. but things are still the same.

Tokool said:
Okay I go into CWM recovery >> mounts and storage >> mount usb storage >>unmount
then I reboot the phone. but things are still the same.
Click to expand...
Click to collapse
lol.Man.You reboot intro recovery -> mount and storage -mount usb(you don't unmount).
You must have the phone conected to pc via usb.Then you will able to acces your sd card

To me it seems more like a driver issue more than your phone usb not working, try installing the latest drivers as DaemonOnx said

DaemonOnx said:
lol.Man.You reboot intro recovery -> mount and storage -mount usb(you don't unmount).
You must have the phone conected to pc via usb.Then you will able to acces your sd card
Click to expand...
Click to collapse
The problem is that when I go into '>> mounts and storage' the only option available to me is - unmount. There is no 'mount usb option'
By default I select unmount - to which as you say nothing happens.
Happy to try further options if you have any?

Edit - reread OP, response invalid

Tokool said:
The problem is that when I go into '>> mounts and storage' the only option available to me is - unmount. There is no 'mount usb option'
By default I select unmount - to which as you say nothing happens.
Happy to try further options if you have any?
Click to expand...
Click to collapse
Have you reinstalled the drivers in your pc?

Tokool said:
Please can someone help me, I have an LG P970 but the USB port seems to be bricked. The phone charges when connected to the computer but nothing else. When connecting the phone to the computer, the computer does not see the phone and the phone does not come up with any usb connection mode.
For this reason I rooted my phone and updated it to the latest version of Zeus rom, but this didn't fix the problem. The phone still just charges on the computer but that's all it does.
I think the phone USB drivers are faulty or need resetting. Is there any software APK I can download to fix my phone.
Thanks for any help.
Click to expand...
Click to collapse
You most likely have problem with your pc LG drivers.
Download drivers by finding the link for LG driver on this page: http://forum.xda-developers.com/showthread.php?t=1448803
Install the drivers and try connecting and it will work

droblack said:
You most likely have problem with your pc LG drivers.
Download drivers by finding the link for LG driver on this page: http://forum.xda-developers.com/showthread.php?t=1448803
Install the drivers and try connecting and it will work
Click to expand...
Click to collapse
Hi thanks for this. However, the link to the usb drivers is broken. I have installed the usb drivers from the lg website and I know they work fine because I have now tried connect a friend's LG optimus black to my computer and the computer and phone both recognise each other. So I know it's not the usb cable or usb drivers on the PC. I have also installed the LG usb drivers on my laptop and spare computer, however again I have the same problem - phone only charges.
When this problem initially occured about a year ago I sent the phone back to LG and they did some sort of software refresh, which solved the connection problem for a few months, but then things went back to the way they were. I then thought it may be a PC issue so I downloaded drivers and connected my phone to the laptop and everything worked well. However, again, a few weeks later, things reverted back to the same problem. The phone only charges on both PC and laptop now.
Hope you can understand my frustration.

Someone must know something out there? How do I fix this stupid USB problem?

Tokool said:
Someone must know something out there? How do I fix this stupid USB problem?
Click to expand...
Click to collapse
LG service center? you've pretty much tried all I would've

Last time I took the phone there, I was told it might have been the phone port software corrupted. Whatever that mean. If I can't find a fix to this I will need to somehow unroot the phone and try to get it back in its unrooted state to LG (not sure if that is possible) else they probably won't fix it.
I'll keep looking,
thanks for your help.

You are using the the proper usb cord. I know I have a couple. The one will charge only.

Yes I am using original cables, I have three of them. They all work on my Friend's OB but not on mine. I am convinced it's a phone software issue. This has happened with three different computers - when you first install LG software on the computer, the phone connects okay for a few weeks and then loses connection, and I can never get it connected again.
When LG refreshed the phone software for me the phone worked properly for a little while and then reverted back to charging mode only.
I need a way of reinstalling the USB software or port software onto the phone itself via some type of APK if such a thing exists.
Maybe a developer here can develop one???

hey man
if you have disabled the "android platform usb modem" in peripherals manager, enable it first (phone must be plugged)
when you first install LG software on the computer, the phone connects okay for a few weeks and then loses connection, and I can never get it connected again.
Click to expand...
Click to collapse
this means it must be the result of an intervention by a third party thing, by yourself, or another program. If you have a kind of a software which manages ports or consumption (on phone as well as on Win), uninstall them, then uninstall all LG drivers, reboot, then reinstall them. if that doesn't solve your issue, you may have to reinstall windows. that's radical, but it should do it

Try connecting the usb while doing pressure between the LG logo on screen and the back of the phone, like squeezing something . I had this issue and it was an internal connector issue....
Check if you hear the "tada" sound in windows or any message about a new device.

Ilko said:
hey man
if you have disabled the "android platform usb modem" in peripherals manager, enable it first (phone must be plugged)
this means it must be the result of an intervention by a third party thing, by yourself, or another program. If you have a kind of a software which manages ports or consumption (on phone as well as on Win), uninstall them, then uninstall all LG drivers, reboot, then reinstall them. if that doesn't solve your issue, you may have to reinstall windows. that's radical, but it should do it
Click to expand...
Click to collapse
Hi, thanks for this, I'm not sure what you mean by "disabled the "android platform usb modem" in peripherals manager". I am using XP. I have had a look to see if there is any software remotely associated with port consumption etc and have uninstalled these and also reinstalled LG drivers. But situation is still the same.
Please note: I have an LG GT540 and this connects fine to the computer. I have also connected another LG optimus black and this also connects fine to the computer. On the basis of deduction, it must be a phone issue, somehow interacts with the computer fine and then fails after a little while. Also I haven't installed anything on the phone itself which might manage consumption or port. The computer has a usb host controller but not sure that means anything useful.
I do agree and have feeling that if I reinstall windows I bet the phone would start working again, possibly again for a few months. This means I reinstall windows on my pc and laptop and hope it all resolves without actually getting to the bottom of the problem.
What I need is another laptop to try this on. If I try another computer or laptop and it recognises the phone. What do I make of everything??? Any ideas.
ps also tried holding pinching usb lg cable as suggested but nothing different.
Thanks for all your efforts.

Further update to this, I installed LG drivers on a fresh dell laptop. Again nothing happened, the phone only charges. I am even more convinced that phone software is corrupt. How do I reinitialise phone USB software?? If there is such a thing.

Tokool said:
Further update to this, I installed LG drivers on a fresh dell laptop. Again nothing happened, the phone only charges. I am even more convinced that phone software is corrupt. How do I reinitialise phone USB software?? If there is such a thing.
Click to expand...
Click to collapse
flashing a new rom, i think it may be hardware issue

[Q] Device driver not found after cm9 installation

After successfully installing cm9, my pc is no longer recognizing my device, making it impossible to open USB storage for transferring any new files over. Android debug mode enables as soon as I connect my touchpad via USB but then my driver software installation on my pc fails to install what it believes is a "MTP USB Device" Is there a separate driver for the device once cm9 has been flashed onto it?

LogicMonster said:
After successfully installing cm9, my pc is no longer recognizing my device, making it impossible to open USB storage for transferring any new files over. Android debug mode enables as soon as I connect my touchpad via USB but then my driver software installation on my pc fails to install what it believes is a "MTP USB Device" Is there a separate driver for the device once cm9 has been flashed onto it?
Click to expand...
Click to collapse
I think you might need to turn on MTP in Settings -> Storage -> Advanced.

You are the man, thank you! I'm glad it was so simple

LogicMonster said:
You are the man, thank you! I'm glad it was so simple
Click to expand...
Click to collapse
No problem. Enjoy your new Android tablet!
EDIT: and just by the way. If you end up flashing CM10, keep MTP on all the time. Android on the TP has had charging problems on CM10 with MTP off.

Still not working
I am also having same problem except my pc won't recognize my phone in *any* mode. I have tried everything. I wanted to go to stock ROM but it won't even recognize the flashboot or fastboot drivers anymore. I think it is not a hardware problem since i tried using different usb cables, different PCs etc. I wiped data and cache on phone but still no use.
just to give you more details if it helps:
Phone: Sony Xperia GO [ST27i]
CM version: CM9 from #freexperia
anything at all will be highly appreciated.
thanks in advance!

dranzer_hunt said:
I am also having same problem except my pc won't recognize my phone in *any* mode. I have tried everything. I wanted to go to stock ROM but it won't even recognize the flashboot or fastboot drivers anymore. I think it is not a hardware problem since i tried using different usb cables, different PCs etc. I wiped data and cache on phone but still no use.
just to give you more details if it helps:
Phone: Sony Xperia GO [ST27i]
CM version: CM9 from #freexperia
anything at all will be highly appreciated.
thanks in advance!
Click to expand...
Click to collapse
You might want to try the xperia forum, this is the HP Touchpad one.

Sorry
chicle_11 said:
You might want to try the xperia forum, this is the HP Touchpad one.
Click to expand...
Click to collapse
I posted there too, but this seemed to be the most relevant thread. I thought maybe you got some idea.
Anyway, thanks!

4.4 Rooted - PC connection problem

After I rooted my 4.4, my Windows XP won't recognize the phone and the phone will only charge when connected to the pc....
Is anyone also having this issue?

Which method of root did you use? Do you have developer options debugging enabled?
Sent on my Gummy running Lenoto X

flashallthetime said:
Which method of root did you use? Do you have developer options debugging enabled?
Sent on my Gummy running Lenoto X
Click to expand...
Click to collapse
I used this guide: http://forum.xda-developers.com/showthread.php?t=2603358
Yes I do have the usb debugging enabled....
I have already disabled, enabled and nothing....
The only way the phone and the pc detects the usb connection is when I restart the phone in bootloader and then do a normal boot.

alemonte said:
I used this guide: http://forum.xda-developers.com/showthread.php?t=2603358
Yes I do have the usb debugging enabled....
I have already disabled, enabled and nothing....
The only way the phone and the pc detects the usb connection is when I restart the phone in bootloader and then do a normal boot.
Click to expand...
Click to collapse
I've had similar issues a few times and from my end, it seemed to be some kind of quirky driver bug. This might seem so simple it's ridiculous, but the few times it's happened to me, unplugging the device and rebooting both the PC and phone before plugging back in worked. Worth a shot?

Yeah, that works but I don´t want to reboot the phone every time I need to plug it in.
Since I use the Mobizen app to use my phone from the PC at work, I plug in and out about 4 times a day....
sasokutenshin said:
I've had similar issues a few times and from my end, it seemed to be some kind of quirky driver bug. This might seem so simple it's ridiculous, but the few times it's happened to me, unplugging the device and rebooting both the PC and phone before plugging back in worked. Worth a shot?
Click to expand...
Click to collapse

alemonte said:
Yeah, that works but I don´t want to reboot the phone every time I need to plug it in.
Since I use the Mobizen app to use my phone from the PC at work, I plug in and out about 4 times a day....
Click to expand...
Click to collapse
mobizen can be ran wirelessly. why do you need to plug it in exactly?

jayboyyyy said:
mobizen can be ran wirelessly. why do you need to plug it in exactly?
Click to expand...
Click to collapse
Cause you have to be in the same network to connect it wirelessly and the wifi at work is not in the same network as my PC

alemonte said:
Cause you have to be in the same network to connect it wirelessly and the wifi at work is not in the same network as my PC
Click to expand...
Click to collapse
did you try a usb port on the back of the pc? perhaps its a usb 2.0 or 3.0 issue.

jayboyyyy said:
did you try a usb port on the back of the pc? perhaps its a usb 2.0 or 3.0 issue.
Click to expand...
Click to collapse
Tried every port.. Though of that when it started..

alemonte said:
Tried every port.. Though of that when it started..
Click to expand...
Click to collapse
well i wish i could help but i have an unlocked phone so im not sure what your problem is. if rebooting the phone works then it is clearly the phone. you can try to kill the adb server connection in cmd and see if that works.
Code:
adb kill-server

jayboyyyy said:
well i wish i could help but i have an unlocked phone so im not sure what your problem is. if rebooting the phone works then it is clearly the phone. you can try to kill the adb server connection in cmd and see if that works.
Code:
adb kill-server
Click to expand...
Click to collapse
I appreciate your help!
Problem is that the phone only charges when connected by the usb port, so the debugging isn't enabled by the phone and there is no adb connection to kill.

alemonte said:
I appreciate your help!
Problem is that the phone only charges when connected by the usb port, so the debugging isn't enabled by the phone and there is no adb connection to kill.
Click to expand...
Click to collapse
oh, i just assumed since you can start the server on your computer without the phone plugged in and the server stays running even after unplugging the phone that you might could try killing it before plugging the phone back in (assuming you have ran adb commands on that computer and it hasn't rebooted since). But that was just a guess.

couldn't connect to computer via MTP by cable to transfer files ?

hi all,
i'm new in forum, and i've just flashed this ROM theOne3TOS v3.6; after that my phone couldn't connect to computer via MTP to transfer files by cable (it only charging) (everything else stay normal, i have to boot to recovery and connect through Mount button to transfer files)
does anyone meet this problem ? and know how to fix this ?
thanks all.

bakhiem91 said:
hi all,
i'm new in forum, and i've just flashed this ROM theOne3TOS v3.6; after that my phone couldn't connect to computer via MTP to transfer files by cable (it only charging) (everything else stay normal, i have to boot to recovery and connect through Mount button to transfer files)
does anyone meet this problem ? and know how to fix this ?
thanks all.
Click to expand...
Click to collapse
Does the USB Connection type notification appear in the status bar?

ya7hu said:
Does the USB Connection type notification appear in the status bar?
Click to expand...
Click to collapse
no bro, it doesnt show any notification , it just show the LED light of charging through usb cable.
first time after flashing it still have notification shown to choose charging or change other methods: mtp / ptp / ....
then after i'd installed all apps & reboot phone to finish recover apps from Store, this problem shown up

bakhiem91 said:
no bro, it doesnt show any notification , it just show the LED light of charging through usb cable.
first time after flashing it still have notification shown to choose charging or change other methods: mtp / ptp / ....
then after i'd installed all apps & reboot phone to finish recover apps from Store, this problem shown up
Click to expand...
Click to collapse
I see, have you tried clearing the cache of MTP Host from Apps in the System Settings. Also try disabling USB Debugging.

I have this same issue using LOS 15.1. The solution is to go into Developer Settings and enable MTP using the 'Select USB Configuration' option. Then when you plug in via cable you will get the notification as normal. The problem is you have to do this every reboot, otherwise it's the same situation all over again. No Notification on plugging in and no way for your PC to see the device as it defaults to Charging mode.

I have "select USB conf" set as default (charging) and never had this issue. My PC sees the device even if I don't change the mode, I just don't see any files then. What drivers are you using?

przemcio510 said:
I have "select USB conf" set as default (charging) and never had this issue. My PC sees the device even if I don't change the mode, I just don't see any files then. What drivers are you using?
Click to expand...
Click to collapse
I just installed the Official Oneplus drivers but it didn't help. I didn't think it would. The generic Windows 10 drivers were working fine with LOS 14.1. As you said, the PC does see the phone just fine, but not files until MTP is enabled.
It's the lack of a Notification when plugging in that's the problem. Without the Notification i can't switch from Charging to MTP mode. I've tried all Notification levels too. The only way to get the Notification to appear is to use the MTP setting in Dev Options, and then it works.. until next reboot.
Edit: Enabling 'USB Debugging' seems to be a working fix currently!

ya7hu said:
I see, have you tried clearing the cache of MTP Host from Apps in the System Settings. Also try disabling USB Debugging.
Click to expand...
Click to collapse
DirkGently said:
I just installed the Official Oneplus drivers but it didn't help. I didn't think it would. The generic Windows 10 drivers were working fine with LOS 14.1. As you said, the PC does see the phone just fine, but not files until MTP is enabled.
It's the lack of a Notification when plugging in that's the problem. Without the Notification i can't switch from Charging to MTP mode. I've tried all Notification levels too. The only way to get the Notification to appear is to use the MTP setting in Dev Options, and then it works.. until next reboot.
Edit: Enabling 'USB Debugging' seems to be a working fix currently!
Click to expand...
Click to collapse
Thanks you guys, i've tried, but it still doesnt work for me, even when i flashed back to OOS OpenBeta 23, this problem still remain the same
i'm so confused ...

bakhiem91 said:
Thanks you guys, i've tried, but it still doesnt work for me, even when i flashed back to OOS OpenBeta 23, this problem still remain the same
i'm so confused ...
Click to expand...
Click to collapse
I spoke too soon about USB Debugging working. It doesn't help across reboots. Gonna Clean Install now. Hope you find a fix.

Clean install didn't help me. Just Google 'Oreo no mtp' to see how common this is.
I have a Nexus 5X on Oreo that doesn't have this problem. Other N5X owners do have it. It's totally random.

Good news everyone...
A fix is coming:
https://review.lineageos.org/#/c/209834/
At least for LOS 15.1 and any other ROMs based upon it.
@bakhiem91

Cannot connect One Plus 3t to PC, not showing up on device manager

So basically I searched everywhere and found many people with this issue.
I tried everything everyone said.
From installing the drivers, to turning on developer mode.
Also fastboot mode is not working.
I hope my is not a hardware issue. I tried a new cable with the same results.
Anything else I can try?
I have been using FTP to transfer files but I want to root my phone and I can't.

MagilsugaM said:
So basically I searched everywhere and found many people with this issue.
I tried everything everyone said.
From installing the drivers, to turning on developer mode.
Also fastboot mode is not working.
I hope my is not a hardware issue. I tried a new cable with the same results.
Anything else I can try?
I have been using FTP to transfer files but I want to root my phone and I can't.
Click to expand...
Click to collapse
Did you enable USB debugging in Developer mode?
Sent from my OnePlus 3T using XDA Labs

BillGoss said:
Did you enable USB debugging in Developer mode?
Sent from my OnePlus 3T using XDA Labs
Click to expand...
Click to collapse
Yes, that didn't help either

MagilsugaM said:
Yes, that didn't help either
Click to expand...
Click to collapse
The last time I read about someone having a similar problem it was resolved by using an original cable. But I can't find the thread where this was discussed.
Sent from my OnePlus 3T using XDA Labs

Just to rule it out, after you connect your cable are you seeing the Notification with USB options and have you selected 'Data Transfer', (or whatever it's called)?
If you are seeing the Notification and the PC still can't see the device, uninstall whatever Drivers and ADB packages you currently have installed. Download the ADB package from Google and, when prompted, say 'yes' to installing the Drivers.
Make sure you try all your available USB ports.
Are there any Yellow exclaimation marks in Device Manager? Do you have the most recent Motherboard drivers from your Manufacturers website?

Dirk said:
Just to rule it out, after you connect your cable are you seeing the Notification with USB options and have you selected 'Data Transfer', (or whatever it's called)?
If you are seeing the Notification and the PC still can't see the device, uninstall whatever Drivers and ADB packages you currently have installed. Download the ADB package from Google and, when prompted, say 'yes' to installing the Drivers.
Make sure you try all your available USB ports.
Are there any Yellow exclaimation marks in Device Manager? Do you have the most recent Motherboard drivers from your Manufacturers website?
Click to expand...
Click to collapse
Yes, I updated the drivers too.
I tried uninstalling the google drivers and everything you mentioned.
No the notification doesn't show up and my device doesn't show up on device manager.
I am running windows 10 latest update.

MagilsugaM said:
Yes, I updated the drivers too.
I tried uninstalling the google drivers and everything you mentioned.
No the notification doesn't show up and my device doesn't show up on device manager.
I am running windows 10 latest update.
Click to expand...
Click to collapse
If you have a can of compressed air, try blowing out the USB port. There may be debris up there. It does sound like a Hardware problem. You really need to try it on another PC to know for sure.
You don't have any issues when charging?

Dirk said:
If you have a can of compressed air, try blowing out the USB port. There may be debris up there. It does sound like a Hardware problem. You really need to try it on another PC to know for sure.
You don't have any issues when charging?
Click to expand...
Click to collapse
The phones charges perfectly, I already cleaned out the port.

So, I still have this issue and I wasn't able to solve it. Pretty much the phone only charges, doesn't get recognized by any computer. I also tried my laptop and same thing happens. How do I find out if it's a hardware issue?
Is there any way to save the phone?

i got this too , stuck in recovery and fastboot because i cant connect my device in any pc

MagilsugaM said:
So, I still have this issue and I wasn't able to solve it. Pretty much the phone only charges, doesn't get recognized by any computer. I also tried my laptop and same thing happens. How do I find out if it's a hardware issue?
Is there any way to save the phone?
Click to expand...
Click to collapse
You can connect your PC to your phone without cables using ADB over wifi provided your phone is rooted and on the same wifi network as your PC.
I know this won't solve your hardware problem but it does allow you to move files between your PC and your phone using ADB.
Note that this doesn't work in recovery or fastboot modes.
Here's how:
On the phone using Terminal
su
setprop service.adb.tcp.port 5555
stop adbd
start adbd
On the PC in a command terminal
adb connect xxx.xxx.xxx.xxx:5555
...
adb disconnect xxx.xxx.xxx.xxx:5555
where xxx.xxx.xxx.xxx is the phone's IP address
To set the phone back to normal (optional)
On the phone
su
setprop service.adb.tcp.port -1
stop adbd
start adbd
Sent from my OnePlus 3T using XDA Labs

I fix using a old PC that a have connected and installed drivers before but was a windows 7 , I delet all drivers content about phones and USB and re installed again using the unbrick tools and drivers , plugged the phone in fastboot and magically was recognized again ..

MagilsugaM said:
So, I still have this issue and I wasn't able to solve it. Pretty much the phone only charges, doesn't get recognized by any computer. I also tried my laptop and same thing happens. How do I find out if it's a hardware issue?
Is there any way to save the phone?
Click to expand...
Click to collapse
You could also try using flash drive via OTG. This won't help you connect to PC/Laptop in any way, but could at least progress a bit that the phone hardware is okay for data part.

This problem start again , fortunelly im in nougat so if i go to dev options and change the usb charging to mtp his comes to charging again . I think this is the problem , the phone dont comes to mtp so dont "have" a device in windows to connect , with this im unable to make root and do anything in fastboot because my phone lock to usb only for charge